Upcoming deprecation of selected GitHub Copilot models in December
TL;DR
We will deprecate the following models across all GitHub Copilot experiences (including Copilot Chat, inline edits, ask and agent modes, and code completions) on December 14, 2026: Model Deprecation date… The post Upcoming deprecation of selected GitHub Copilot models in December appeared first on The GitHub Blog.
Nauti's Take
The first practical test for existing Copilot workflows is an inventory of the models and modes they actually use. This summary names neither the affected models nor their replacements, so teams should verify their configuration, compare output quality, and check whether switching changes cost or behavior before the deadline.
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